<script setup lang="ts">
import { ref } from 'vue'
import {
  postMemberAddressAPI,
  getMemberAddressByIdAPI,
  putMemberAddressByIdAPI,
} from '@/services/address'
import { onLoad } from '@dcloudio/uni-app'
// 表单数据
const form = ref({
  receiver: '', // 收货人
  contact: '', // 联系方式
  fullLocation: '', // 省市区(前端展示)
  provinceCode: '', // 省份编码(后端参数)
  cityCode: '', // 城市编码(后端参数)
  countyCode: '', // 区/县编码(后端参数)
  address: '', // 详细地址
  isDefault: 0, // 默认地址，1为是，0为否
})
const query = defineProps<{
  id: string
}>()

// 修改选定的地址
const onRegionChange: UniHelper.RegionPickerOnChange = (event) => {
  // console.log(event.detail.value);
  // 得到当前的地址，并将数组转成字符串形式
  form.value.fullLocation = event.detail.value.join(' ')
  // console.log(form.value.fullLocation);
  // console.log(event.detail.code);
  // 对象 解构出 三个 code码
  const [provinceCode, cityCode, countyCode] = event.detail.code!
  // 把三个code码的对象 通过Object.assign 方法 放到 form.value对象中
  Object.assign(form.value, { provinceCode, cityCode, countyCode })
}

// 得到 switch 的值 并通过三元表达式 去判断返回的是1还是0
const onSwitchChange: UniHelper.SwitchOnChange = (event) => {
  // console.log(event.detail.value);
  form.value.isDefault = event.detail.value ? 1 : 0
  // console.log(form.value.isDefault);
}
// 判断是否有id 值，如果有就是 设置导航栏标题为修改地址，如果没有就设置导航栏标题为 新建地址
uni.setNavigationBarTitle({ title: query.id ? '修改地址' : '新建地址' })
// 提交事件
const formRef = ref<UniHelper.UniFormsInstance>()
const onSubmit = async () => {
  try {
    await formRef.value?.validate?.()
    // 判断当前提交的是 修改还是新增的地址方法，用query.id 的有无去判断是修改还是新增，若是修改，则有 query.id 若是新增，就没有query.id
    if (query.id) {
      await putMemberAddressByIdAPI(query.id, form.value)
    } else {
      // 调用了修改地址的API方法，并且传递form表单的参数
      await postMemberAddressAPI(form.value)
    }

    //  如果成功则弹出提示框
    uni.showToast({
      title: query.id ? '修改成功' : '添加成功',
    })
    //  定时器。
    setTimeout(() => {
      uni.navigateBack()
    }, 400)
  } catch (error) {
    uni.showToast({
      icon: 'error',
      title: '请填写完整信息',
    })
  }
}

// 获取地址信息--数据回显
const getMemberAddressByIdData = async () => {
  if (query.id) {
    const res = await getMemberAddressByIdAPI(query.id)
    // console.log(res.result);
    // console.log(form.value);
    Object.assign(form.value, res.result)
  }
}
onLoad(() => {
  getMemberAddressByIdData()
})

// 表单校验
const rules = {
  receiver: {
    rules: [
      {
        required: true,
        errorMessage: '请输入收货人',
      },
    ],
  },
  contact: {
    rules: [
      {
        required: true,
        errorMessage: '请填写手机号码',
      },
      {
        pattern: /^1[3-9]\d{9}$/,
        errorMessage: '手机号码格式错误',
      },
    ],
  },
  fullLocation: {
    rules: [
      {
        required: true,
        errorMessage: '请选择所在地区',
      },
    ],
  },
  address: {
    rules: [
      {
        required: true,
        errorMessage: '请选择详细地址',
      },
    ],
  },
}
</script>

<template>
  <view class="content">
    <uni-forms ref="formRef" :rules="rules" :model="form">
      <!-- 表单内容 -->
      <uni-forms-item class="form-item" name="receiver">
        <text class="label">收货人</text>
        <input class="input" placeholder="请填写收货人姓名" v-model="form.receiver" />
      </uni-forms-item>
      <uni-forms-item class="form-item" name="contact">
        <text class="label">手机号码</text>
        <input class="input" placeholder="请填写收货人手机号码" v-model="form.contact" />
      </uni-forms-item>
      <uni-forms-item class="form-item" name="fullLocation">
        <text class="label">所在地区</text>
        <picker
          class="picker"
          mode="region"
          :value="form.fullLocation.split(' ')"
          @change="onRegionChange"
        >
          <view v-if="form.fullLocation">{{ form.fullLocation }}</view>
          <view v-else class="placeholder">请选择省/市/区(县)</view>
        </picker>
      </uni-forms-item>
      <uni-forms-item class="form-item" name="address">
        <text class="label">详细地址</text>
        <input class="input" placeholder="街道、楼牌号等信息" v-model="form.address" />
      </uni-forms-item>
      <uni-forms-item class="form-item">
        <label class="label">设为默认地址</label>
        <switch
          class="switch"
          @change="onSwitchChange"
          color="#27ba9b"
          :checked="form.isDefault === 1"
        />
      </uni-forms-item>
    </uni-forms>
  </view>
  <!-- 提交按钮 -->
  <button class="button" @tap="onSubmit">保存并使用</button>
</template>

<style lang="scss">
page {
  background-color: #f4f4f4;
}

.content {
  margin: 20rpx 20rpx 0;
  padding: 0 20rpx;
  border-radius: 10rpx;
  background-color: #fff;

  .form-item,
  .uni-forms-item {
    display: flex;
    align-items: center;
    min-height: 96rpx;
    padding: 25rpx 10rpx 40rpx;
    background-color: #fff;
    font-size: 28rpx;
    border-bottom: 1rpx solid #ddd;
    position: relative;
    margin-bottom: 0;

    // 调整 uni-forms 样式
    .uni-forms-item__content {
      display: flex;
    }

    .uni-forms-item__error {
      margin-left: 200rpx;
    }

    &:last-child {
      border: none;
    }

    .label {
      width: 200rpx;
      color: #333;
    }

    .input {
      flex: 1;
      display: block;
      height: 46rpx;
    }

    .switch {
      position: absolute;
      right: -20rpx;
      transform: scale(0.8);
    }

    .picker {
      flex: 1;
    }

    .placeholder {
      color: #808080;
    }
  }
}

.button {
  height: 80rpx;
  margin: 30rpx 20rpx;
  color: #fff;
  border-radius: 80rpx;
  font-size: 30rpx;
  background-color: #27ba9b;
}
</style>
